Question: How can we confirm whether Cunedda was born on 1-1-386?
Paraphrase: Is there a way we can assure whether Cunedda originated on 1-1-386?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q2487300 p:P569 ?s . ?s ps:P569 ?x filter(contains(?x , '386-1-1')) . ?s pq:P31 ?value}